Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 548,355
Wrench
Patentee:
Joseph W. Cushman (exact or similar names) - New York, NY

USPTO Classifications:
81/144

Tool Categories:
wrenches : bicycle or pocket wrenches
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Catherine Georgi
Frank S. Ober
Patent Dates:
Applied: Apr. 03, 1895
Granted: Oct. 22, 1895

Patent Pictures:
Joseph W. Cushman patent October 22, 1895
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz
Description:
When the set screw is "out" the movable jaw can slide freely, subject to the retracting tension spring. Tightening the set screw sets the adjustment.

A hardware trade journal notice of the January 1896 New York Cycle show notes Cushman intended to show examples of the wrench.

Copyright © 2002-2025 - DATAMP